Available Definitions:
1) n. - A mode of expressing words and phrases by pictures of objects whose names resemble those words, or the syllables of which they are composed; enigmatical representation of words by figures; hence, a peculiar form of riddle made up of such representations.
2) n. - A pictorial suggestion on a coat of arms of the name of the person to whom it belongs. See Canting arms, under Canting.
3) v. t. - To mark or indicate by a rebus.